include<bits/stdc++.h>

using namespace std; int main(){

int a[25600],b[25600],c[25600],lana,lenb,lenc,i;
char n[10000],n1[50000],n2[25600];
memset(a,0,sizeof(a));
memset(b,0,sizeof(b));
memset(c,0,sizeof(c));
printf("Input minuend");
gets(n1);
printf("Input subtrahend");
gets(n2);
if()

}