#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int min(int a,int b)
    {
    if(a<=b)return a;
    return b;
}
int main() {
int n,m;
    scanf("%d%d",&n,&m);
    printf("%d\n",min(n,m)+1);
        return 0;
}