View Compilation Error

0_0_25409203_15632.cpp: In function 'int main()':
0_0_25409203_15632.cpp:47:108: error: expected primary-expression at end of input
                     else ud(c.f[va][vb], c.g[va][vb], a.f[ua][va] + b.f[ub][vb], a.g[ua][va] * b.g[ub][vb] %
                                                                                                            ^
0_0_25409203_15632.cpp:47:108: error: expected '}' at end of input
0_0_25409203_15632.cpp:47:108: error: expected '}' at end of input
0_0_25409203_15632.cpp:47:108: error: expected '}' at end of input