# baekjoon source = "https://www.acmicpc.net/problem/10951"
while True:
    try:
        a,b = map(int,input().split())
    except:
        break
    print(a+b)
bf4ec1aff600f2fb28cab38f5916e6519f42b3d0
<mask token>

while True:
    try:
        a, b = map(int, input().split())
    except:
        break
    print(a + b)

# baekjoon source = "https://www.acmicpc.net/problem/10951"
while True:
    try:
        a,b = map(int,input().split())
    except:
        break
    print(a+b)