View Compilation Error

0_0_24423212_8320.cpp: In function 'int main()':
0_0_24423212_8320.cpp:107:23: error: expected '}' at end of input
     int sz = s1.size();
                       ^
0_0_24423212_8320.cpp:107:23: error: expected '}' at end of input
0_0_24423212_8320.cpp:107:23: error: expected '}' at end of input
0_0_24423212_8320.cpp:107:23: error: expected '}' at end of input