#include<bits/stdc++.h>
#define int long long
using namespace std;
auto IN = freopen("candy.in", "r", stdin);
auto OUT = freopen("candy.out", "w", stdout);
auto mread = [](){int x;scanf("%lld", &x);return x;};

signed main(){
    for(int i = 1; i <= 10; i ++){
        string a, b;
        cin >> a >> b;
        int x = 0, y = 0;
        for(int i = 0; i < a.size(); i ++){
            x = (x * 10 + (a[i] - '0')) % 5;
        }
        for(int i = 0; i < b.size(); i ++){
            y = (y * 10 + (b[i] - '0')) % 5;
        }
        x = (x - 1 + 5) % 5;
        y = (y - 1 + 5) % 5;
        if(x == 3 || x == 4 || x == 0 || y == 3 || y == 4 || y == 0){
            printf("M\n");
        }
        else{
            printf("S\n");
        }
    }
    return 0;
}