
N = int(input()) a = [0]*100 for i in range(N): d, k = map(int, input().split()) a[k % d] += 1 if a[0] = N: print(0) else: res = 1 for i in range(2, 100): if a[i] >= a[res]: res = i print(res)
N = int(input()) a = [0]*100 for i in range(N): d, k = map(int, input().split()) a[k % d] += 1 if a[0] = N: print(0) else: res = 1 for i in range(2, 100): if a[i] >= a[res]: res = i print(res)