#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,c,i=1;
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    int man=1,woman=1;
    while (i<=c){
    printf ("%d %d\n",man,woman);
    
    man++; woman++;
    if (man>a) man=1;
    if (woman>b) woman=1;
    i++;
    }
    return 0;
}