View Compilation Error

0_0_4842896_3662.cpp:2:19: isotream: No such file or directory
0_0_4842896_3662.cpp: In function `int main()':
0_0_4842896_3662.cpp:7: error: expected init-declarator before "while"
0_0_4842896_3662.cpp:7: error: expected `,' or `;' before "while"
0_0_4842896_3662.cpp:8: error: `b' undeclared (first use this function)
0_0_4842896_3662.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)