#include <stdio.h>
int hoge(int n, int m){
int i,sum;
if(n==m)
return n;
else if(n<m){
for(sum=0;n<=m;n++){
if(n<m)
else
sum=sum+n; }
return sum;}
else{
for(sum=0;m<=n;m++){
if(m<n)
else
sum=sum+m; }
return sum;}
}
int main(){
return(0);
}
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