./Main.c: In function ‘main’:
./Main.c:4:2: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
scanf("%s",s);
^
./Main.c:4:2: warning: incompatible implicit declaration of built-in function ‘scanf’
./Main.c:4:2: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
./Main.c:5:2: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
printf("%c%c%c%c %c%c%c%c%c%c%c%c",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12]);
^
./Main.c:5:2: warning: incompatible implicit declaration of built-in function ‘printf’
./Main.c:5:2: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
./Main.c:5:9: warning: too many arguments for format [-Wformat-extra-args]
printf("%c%c%c%c %c%c%c%c%c%c%c%c",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12]);
^