#!/usr/bin/env python3
import sys

def main():
    H, W, Q = map(int, input().split())
    all = H * W
    X, Y = [], []
    for _ in range(Q):
        y, x = map(lambda i: int(i) - 1, input().split())
        X.append(x)
        Y.append(y)
    k = set(X)
    d = {val : i + 1 for i, val in enumerate(sorted(list(k)))}
    ok = [H] * len(k)
    for i in range(Q):   
        if ok[d[X[i]] - 1] <= Y[i]:
            print(all)
            continue
        all -= ok[d[X[i]] - 1] - Y[i]
        ok[d[X[i]] - 1] = Y[i]
        print(all)
    return

if __name__ == '__main__':
    main()