alo, merge 33%

#include <iostream>
#include <fstream>

using namespace std;

ifstream x("alo.in");
ofstream y("alo.out");

int main()
{
    int v[100],n,i,E,nr,nr2,d,prima;
    x>>E>>n;

    i=0;

    while (i<=n*2)
    {
        i++;
        x>>nr>>d;
        nr2=nr;
        while (nr2)
        {
            prima=nr2%10;
            nr2=nr2/10;
        }
        if (prima==1 && (nr%10)==9)
                E=E;
        else
        if (prima==2 && (nr%10)==9)
               E=E;
        else
        if (prima==1 && (nr%10)==5)
        E=E-d*2;
        else
        if (prima==2 && (nr%10)==5)
        E=E+d;
    }
    y<<E;

    x.close();
    y.close();

    return 0;
}