Uva 10409 Solution

#include<bits/stdc++.h>
using namespace std;
int top, bottom, north, south, east, west;
void value()
{
    top = 1;
    bottom = 6;
    east = 4;
    west = 3;
    north = 2;
    south = 5;
}
void check(string st)
{
    if(st == "north")
    {
        int t1 = top, b1 = bottom, s1 = south, n1 = north;
        bottom = n1;
        north = t1;
        top = s1;
        south = b1;
    }
    else if(st == "south")
    {
        int t1 = top, b1 = bottom, s1 = south, n1 = north;
        north = b1;
        top = n1;
        south = t1;
        bottom = s1;
    }
    else if(st == "east")
    {
        int e1 = east, t1 = top, w1 = west, b1 = bottom;
        bottom = e1;
        east = t1;
        top = w1;
        west = b1;
    }
    else if(st == "west")
    {
        int w1 = west, b1 = bottom, t1 = top, e1 = east;
        bottom = w1;
        west = t1;
        top = e1;
        east = b1;
    }
}
int main()
{
    int n, i;
    while(cin >> n && n != 0)
    {
        string s;
        value();
        for(i=1;i<=n;i++)
        {
            cin >> s;
            check(s);
        }
        cout << top << "\n";
    }
    return 0;
}