#include<cstdlib>
#include<string>
int n,k;
char a[201][400],aux;

void preprocess(int n){
int crt_col,crt_row;
for(crt_row=0;crt_row<n;crt_row++)
    {
    strcpy(a[crt_row+1],"0");
    for(crt_col=1;crt_col<=crt_row+1;crt_col++)
        {/*(n-1)* s[n][k-1]*s[n-1][k-1]*/;}
        
        }

}

int main(){
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);

    
    
return 0;
}