from contextlib import nullcontext
import sys

s=[]

for i in iter(input,'0'):
    s.append(i)
print(" ".join(s))
# while(1):
#     k=input()
#     if k=='0':
#         break
#     else:
#         print("".join(k),end=" ")#直接打印输出
        # s.append(k)#列表形式

# print(" ".join(s))