Language: C

float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}

Compiler output:
main.c:1:13: warning: data definition has no type or storage class
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |             ^
main.c:1:13: error: type defaults to 'int' in declaration of 'd' [-Wimplicit-int]
main.c:1:15: error: return type defaults to 'int' [-Wimplicit-int]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |               ^~~~
main.c: In function 'main':
main.c:1:15: error: type of 'r' defaults to 'int' [-Wimplicit-int]
main.c:1:29: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                             ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
main.c:1:29: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                             ^~~~~
main.c:1:29: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:55: error: implicit declaration of function 'cos' [-Wimplicit-function-declaration]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                                                       ^~~
main.c:1:1: note: include '<math.h>' or provide a declaration of 'cos'
  +++ |+#include <math.h>
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
main.c:1:55: warning: incompatible implicit declaration of built-in function 'cos' [-Wbuiltin-declaration-mismatch]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                                                       ^~~
main.c:1:55: note: include '<math.h>' or provide a declaration of 'cos'
main.c:1:67: error: implicit declaration of function 'sin' [-Wimplicit-function-declaration]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                                                                   ^~~
main.c:1:67: note: include '<math.h>' or provide a declaration of 'sin'
main.c:1:67: warning: incompatible implicit declaration of built-in function 'sin' [-Wbuiltin-declaration-mismatch]
main.c:1:67: note: include '<math.h>' or provide a declaration of 'sin'
main.c:1:87: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                                                                                       ^~~~~~
main.c:1:87: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:87: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:87: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:85: error: lvalue required as left operand of assignment
    1 | float x,y,t;d;main(r){for(;~scanf("%d,%d",&r,&d)?y+=r*cos(t),x-=r*sin(t),t-=d/57.3:d=!printf("%d\n%d\n",d=x,d=y););}
      |                                                                                     ^