#include <stdio.h>

char S[1<<19], S2[1<<20];   // 262144
int n;
int main()
{
    char in[100], in2[100], out[100], out2[100];
    for(int i = 1 ; i <= 20 ; i++ )
    {
        sprintf(in,".%d.in",i);
        sprintf(in2,".%d.out",i);
        sprintf(out,".\\res\\.%d.in",i);
        sprintf(out2,".\\res\\.%d.out",i);
        FILE *a, *b, *c, *d;
        a = fopen(in,"r");
        b = fopen(in2,"r");
        c = fopen(out,"w");
        d = fopen(out2,"w");
        fscanf(a, "%d%s", &n, S);
        fscanf(b,"%s",S2);
        fprintf(c,"%d\n%s",n,S2);
        fprintf(d,"%s",S);
        fclose(a);
        fclose(b);
        fclose(c);
        fclose(d);
    }
}