View Compilation Error

0_0_38438084_29021.c: In function 'main':
0_0_38438084_29021.c:8:1: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
 for(int i=3;i<=50;i++)
 ^
0_0_38438084_29021.c:8:1: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code