View Compilation Error

0_0_20897009_3626.cpp:1:1: error: expected unqualified-id before numeric constant
 7 4
 ^
0_0_20897009_3626.cpp:6:1: error: expected unqualified-id before '{' token
 {1,5,4}
 ^
0_0_20897009_3626.cpp:7:1: error: expected unqualified-id before '{' token
 {5,4,2}
 ^
0_0_20897009_3626.cpp:8:1: error: expected unqualified-id before '{' token
 {4,2,6}
 ^
0_0_20897009_3626.cpp:9:1: error: expected unqualified-id before '{' token
 {1,5,4,2,6}
 ^
0_0_20897009_3626.cpp:10:1: error: expected unqualified-id before '{' token
 {4,2,6,3,7}
 ^
0_0_20897009_3626.cpp:11:1: error: expected unqualified-id before '{' token
 {5,4,2,6,3}
 ^
0_0_20897009_3626.cpp:12:1: error: expected unqualified-id before '{' token
 {1,5,4,2,6,3,7}
 ^