| while True:     try:         a, b = map(int, raw_input().strip().split())         print a + b,     except EOFError:         break      tcase = int(raw_input().strip()) for case in range(tcase):     a, b = map(int, raw_input().strip().split())     print a + b,      while True:     a, b = map(int, raw_input().strip().split())     if a == 0 and b == 0:         break     print a + b,           tcase = int(raw_input().strip()) for case in range(tcase):     a, b = map(int, raw_input().strip().split())     if a == 0 and b == 0:         break     print a + b,      tcase = int(raw_input().strip()) for case in range(tcase):     data = map(int, raw_input().strip().split())     n, array = data[0], data[1:]          sum = 0     for i in range(n):         sum += array[i]     print sum,      while True:     try:         data = map(int, raw_input().strip().split())         n, array = data[0], data[1:]                      sum = 0         for i in range(n):             sum += array[i]         print sum,     except EOFError:         raise      while True:     try:         a, b = map(int, raw_input().strip().split())         print a + b     except EOFError:         break      while True:     data = raw_input().strip()     if data.isspace():         break     else:         data = map(int, data)         n, array = data[0], data[1:]                          sum = 0         for i in range(n):             sum += array[i]         print sum,
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