#include <stdio.h>
void main ()
{
     int p,ed,nu,k,e[1000],i,n,m,l[2],f,j;
     char x,c[1000];
     FILE *inp,*out;
     inp=fopen("input.txt","r");
     out=fopen("output.txt","w");
     fscanf(inp,"%d",&p);
     ed=1;
     nu=0;
     k=0;
     f=0;
     while (feof(inp)==0)
     {
           fscanf(inp,"%c",&x);
           if (x=='1'){
                       f=1;
                       k++;
                       e[ed]=k;
                       ed=ed+1;
                       c[k]=x;
                       }
           if (x=='0'){
                       k++;
                       nu=nu+1;
                       c[k]=x;
                       }
     }
     ed=ed-1;
     if (f==0){
               fprintf(out,"Impossible");
               fclose(inp);
               fclose(out); 
               }
     if(x=='1') {
                k=k-1;
                ed=ed-1;
                }
     if(x=='0') {
                k=k-1;
                nu=nu-1;
                }
     if (p!=k){
               fprintf(out,"Impossible7");
               fclose(inp);
               fclose(out); 
               }
     if (p%ed!=0){
                  fprintf(out,"Impossible6");
                  fclose(inp);
                  fclose(out); 
                  }
     for(i=3;i<=ed;i++){
                       if (e[i]-e[i-1]!=e[2]-e[1]){
                                           fprintf(out,"Impossible5");
                                           fclose(inp);
                                           fclose(out); 
                                           }
                       }
     
     l[1]=0;
     l[2]=0;
     if (c[1]=='1' && c[k]=='0' && ed>1){
                                         for(i=e[ed];i<k; i++) l[2]++;
                                         if (l[2]!= e[2]-e[1]-1){
                                                             fprintf(out,"Impossible4");
                                                             fclose(inp);
                                                             fclose(out); 
                                                             }
                                         }
     if (c[1]=='0' && c[k]=='1' && ed>1){
                                         for(i=1;i<e[1]; i++) l[1]++;
                                         if (l[1]!= e[2]-e[1]-1){
                                                             fprintf(out,"Impossible3");
                                                             fclose(inp);
                                                             fclose(out); 
                                                             }
                                         }
     if (c[1]=='1' && c[k]=='1' && ed==2 && n>2) {
                                                fprintf(out,"Impossible2");
                                                fclose(inp);
                                                fclose(out); 
                                                }                                
     if (c[1]=='0' && c[k]=='0' && ed>1){
                                 for(i=1;i<e[1];i++) l[1]++;
                                 for(i=e[ed];i<k; i++) l[2]++;
                                 if (l[1]+l[2]!=e[2]-e[1]-1){
                                                             fprintf(out,"Impossible1");
                                                             fclose(inp);
                                                             fclose(out); 
                                                             }
                                 }
     n=ed;
     m=p/n;
     fprintf(out,"%d %d",n, m);
     fclose(inp);
     fclose(out);
     inp=fopen("input.txt","w");
     for(j=1;j<m;j++){
                      for( i=1+m*(j-1);i<=(m*j);i++ ) {
                                                    if (i<m*j) fprintf(inp,"%c ",c[i]);
                                                    else fprintf(inp,"%c",c[i]);
                                                   }
                      fprintf(inp,"\n");
                      }
     fclose(inp);
}