我为啥只有45

#include<iostream>
#include<cmath>
#include<cstdio>
#include<cstring>
using namespace std;

const int N = 0x7fffffff;
int minn(int a,int b,int c) {
    int t = N;
    if(a < t)t = a;
    if(b < t)t = b;
    if(c < t)t = c;
}
signed main()
{
//  freopen("order.in","r",stdin);
//  freopen("order.out","w",stdout);
    long long n,a,b,c,ma = 0,mb = 0,mc = 0;
    cin >> n;   
    if(n%14 == 0){
        cout << n/14 << " " << n/14 << " " << n/14 << endl;
        return 0;
    }
    for( a = 0; a <= n/7; a++){
            for(int b = 0; b <= (n-a)/4; b++){
                    c = (-7*a-4*b+n)/3; 
                    if(c < 0)continue;
                    if(7*a+4*b+3*c == n){
                        if(minn(a,b,c) > minn(ma,mb,mc)){
                            ma = a; mb = b; mc = c;
                            continue;
                        }
                        else if(minn(a,b,c) == minn(ma,mb,mc) && a + b + c > ma + mb +mc){
                            ma = a; mb = b; mc = c;                         
                        }
                    }
                }
            }
    if(ma == 0 && mb == 0 && mc == 0)cout << -1 << endl;
    else cout << ma << " " << mb << " " << mc << endl;
//  fclose(stdin);
//  fclose(stdout);
    return 0;
}