View Compilation Error

0_0_30478541_12493.cpp: In function 'int main()':
0_0_30478541_12493.cpp:58:28: error: expected initializer at end of input
   long long ta = solve(a), tb
                            ^
0_0_30478541_12493.cpp:58:28: error: expected '}' at end of input
0_0_30478541_12493.cpp:58:28: error: expected '}' at end of input