View Compilation Error

0_0_21271555_17395.cpp: In function 'int main()':
0_0_21271555_17395.cpp:22:1: error: 'else' without a previous 'if'
 else if (m<n)
 ^
0_0_21271555_17395.cpp:25:1: error: 'else' without a previous 'if'
 else 
 ^